/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2014        */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be        */
/* attached to the FatFs via a glue function rather than modifying it.   */
/* This is an example of glue functions to attach various exsisting      */
/* storage control modules to the FatFs module with a defined API.       */
/*-----------------------------------------------------------------------*/

#include "diskio.h"     /* FatFs lower layer API */

/* Definitions of physical drive number for each drive */
//#define DEV_RAM     0   /* Example: Map Ramdisk to physical drive 0 */
//#define DEV_MMC     1   /* Example: Map MMC/SD card to physical drive 1 */
//#define DEV_USB     2   /* Example: Map USB MSD to physical drive 2 */

#include "fs/fs.h"
#include "string.h"
#include "disk.h"

/*-----------------------------------------------------------------------*/
/* Get Drive Status                                                      */
/*-----------------------------------------------------------------------*/

#define CARD_UNPLUGED   1
extern int get_cardstatus(int pdrv);
#define GET_CARD_STATUS    do{ \
                            if (get_cardstatus(pdrv) == 0) \
                                return STA_NOINIT; \
                            }while(0)
extern  struct tm tm;

DSTATUS disk_status (
    BYTE pdrv       /* Physical drive nmuber to identify the drive */
)
{
    return 0;
}



/*-----------------------------------------------------------------------*/
/* Inidialize a Drive                                                    */
/*-----------------------------------------------------------------------*/

DSTATUS disk_initialize (
    BYTE pdrv               /* Physical drive nmuber to identify the drive */
)
{
    return 0;
}



/*-----------------------------------------------------------------------*/
/* Read Sector(s)                                                        */
/*-----------------------------------------------------------------------*/

DRESULT disk_read (
    BYTE pdrv,      /* Physical drive nmuber to identify the drive */
    BYTE *buff,     /* Data buffer to store read data */
    QWORD sector,   /* Start sector in LBA */
    UINT count      /* Number of sectors to read */
)
{
    int result;
    //GET_CARD_STATUS;

    result = los_part_read((int)pdrv, (void *)buff, sector, (UINT32)count);

    if (result == 0)
        return RES_OK;
    else
        return RES_ERROR;
}

DRESULT disk_raw_read (int id, void *buff, QWORD sector, UINT32 count)
{
    int result;

    result = los_disk_read(id, buff, sector, count);

    if (result == 0)
        return RES_OK;
    else
        return RES_ERROR;
}


/*-----------------------------------------------------------------------*/
/* Write Sector(s)                                                       */
/*-----------------------------------------------------------------------*/

DRESULT disk_write (
    BYTE pdrv,          /* Physical drive nmuber to identify the drive */
    const BYTE *buff,   /* Data to be written */
    QWORD sector,       /* Start sector in LBA */
    UINT count          /* Number of sectors to write */
)
{
    int result;
    //GET_CARD_STATUS;

    result = los_part_write((int)pdrv, (void *)buff, sector, (UINT32)count);

    if (result == 0)
        return RES_OK;
    else
        return RES_ERROR;
}

DRESULT disk_raw_write(int id, void *buff, QWORD sector, UINT32 count){
    int result;
    void *uwBuff = buff;

    result = los_disk_write(id, (const void*)uwBuff, sector, count);

    if (result == 0)
        return RES_OK;
    else
        return RES_ERROR;
}

/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions                                               */
/*-----------------------------------------------------------------------*/

DRESULT disk_ioctl (
    BYTE pdrv,      /* Physical drive nmuber (0..) */
    BYTE cmd,       /* Control code */
    void *buff      /* Buffer to send/receive control data */
)
{
   int result;

   result = los_part_ioctl((int)pdrv, (int)cmd, buff);

   if (result == 0)
       return RES_OK;
   else
       return RES_ERROR;
}

DWORD get_fattime (void)
{
    time_t seconds = 0;
    struct tm local_time = {0};

    seconds = time(NULL);

    if (NULL == localtime_r(&seconds, &local_time))
        return 0;
    if ((local_time.tm_year + 1900) < 1980) //year must start at 1980
    {
        return 0;
    }

    //get system time
    return  ((DWORD)(local_time.tm_year - 80) << 25)
           |((DWORD)(local_time.tm_mon + 1) << 21)
           |((DWORD)local_time.tm_mday << 16)
           |((DWORD)local_time.tm_hour << 11)
           |((DWORD)local_time.tm_min << 5)
           |((DWORD)local_time.tm_sec >> 1);
}


